NEW YORK, Jan. 17, 2026 : WHY: Rosen Law Firm, a global investor rights law firm, continues to investigate potential securities claims on behalf of shareholders of Tandem Diabetes Care, Inc. (NASDAQ: TNDM) resulting from allegations that Tandem Diabetes Care may have issued materially misleading business information to the investing public.
SO WHAT: If you purchased Tandem Diabetes securities you may be entitled to compensation without payment of any out of pocket fees or costs through a contingency fee arrangement. The Rosen Law Firm is preparing a class action seeking recovery of investor losses.
WHAT TO DO NEXT: To join the prospective class action, go to https://rosenlegal.com/
WHAT IS THIS ABOUT: On August 7, 2025, before the market opened, the company issued a press release entitled “Tandem Diabetes Care Issues Voluntary Medical Device Correction for Select t:slim X2 Insulin Pumps.” The release stated that Tandem Diabetes had “announced a voluntary medical device correction for select t:slim X2 insulin pumps to address a potential speaker-related issue that can trigger an error resulting in a discontinuation of insulin delivery.”
On this news, Tandem Diabetes’ stock fell 19.9% on August 7, 2025.
WHY ROSEN LAW: We encourage investors to select qualified counsel with a track record of success in leadership roles. Often, firms issuing notices do not have comparable experience, resources, or any meaningful peer recognition. Many of these firms do not actually litigate securities class actions. Be wise in selecting counsel. The Rosen Law Firm represents investors throughout the globe, concentrating its practice in securities class actions and shareholder derivative litigation. Rosen Law Firm has achieved, at that time, the largest ever securities class action settlement against a Chinese Company. Rosen Law Firm was Ranked No. 1 by ISS Securities Class Action Services for number of securities class action settlements in 2017. The firm has been ranked in the top 4 each year since 2013 and has recovered hundreds of millions of dollars for investors. In 2019 alone the firm secured over $438 million for investors. In 2020, founding partner Laurence Rosen was named by law360 as a Titan of Plaintiffs’ Bar. Many of the firm’s attorneys have been recognized by Lawdragon and Super Lawyers.
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